Undercover is a dark, steely taupe–very gray with a hint of brown and almost plum undertones. The texture is still soft but not as dense as Stealth. It has great pigmentation. MAC Dynamic Duo 3 is similar, slightly darker. Urban Decay Mushroom is darker and browner. MAC Keep Your Cool is very similar. Giorgio Armani #4 is browner. Chanel Illusoire is more frosted.